/* sys_win.c (description) Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include #include #include "quakedef.h" #include "winquake.h" #include "resource.h" #include "sys.h" #include "screen.h" #include "qargs.h" #include "client.h" #include "console.h" qboolean is_server = false; #define MINIMUM_WIN_MEMORY 0x0c00000 #define MAXIMUM_WIN_MEMORY 0x1000000 #define PAUSE_SLEEP 50 // sleep time on pause or minimization #define NOT_FOCUS_SLEEP 20 // sleep time when not focus int starttime; qboolean ActiveApp, Minimized; qboolean WinNT; HWND hwnd_dialog; // startup dialog box static HANDLE hinput, houtput; HANDLE qwclsemaphore; static HANDLE tevent; extern cvar_t *sys_nostdout; void Sys_InitFloatTime (void); void MaskExceptions (void); void Sys_PopFPCW (void); void Sys_PushFPCW_SetHigh (void); void Sys_DebugLog(char *file, char *fmt, ...) { va_list argptr; static char data[1024]; int fd; va_start (argptr, fmt); vsnprintf (data, sizeof(data), fmt, argptr); va_end (argptr); fd = open (file, O_WRONLY | O_CREAT | O_APPEND, 0666); write (fd, data, strlen(data)); close (fd); }; /* =============================================================================== FILE IO =============================================================================== */ /* ================ wfilelength ================ */ int wfilelength (QFile *f) { int pos; int end; pos = Qtell (f); Qseek (f, 0, SEEK_END); end = Qtell (f); Qseek (f, pos, SEEK_SET); return end; } int Sys_FileTime (char *path) { QFile *f; int t, retval; t = VID_ForceUnlockedAndReturnState (); f = Qopen(path, "rb"); if (f) { Qclose(f); retval = 1; } else { retval = -1; } VID_ForceLockState (t); return retval; } /* =============================================================================== SYSTEM IO =============================================================================== */ /* ================ Sys_MakeCodeWriteable ================ */ void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) { DWORD flOldProtect; //@@@ copy on write or just read-write? if (!VirtualProtect((LPVOID)startaddr, length, PAGE_READWRITE, &flOldProtect)) Sys_Error("Protection change failed\n"); } /* ================ Sys_Init ================ */ void Sys_Init_Cvars (void) { sys_nostdout = Cvar_Get("sys_nostdout", "1", CVAR_NONE, "None"); } void Sys_Init (void) { OSVERSIONINFO vinfo; // allocate a named semaphore on the client so the // front end can tell if it is alive // mutex will fail if semephore allready exists qwclsemaphore = CreateMutex( NULL, /* Security attributes */ 0, /* owner */ "qwcl"); /* Semaphore name */ if (!qwclsemaphore) Sys_Error ("QWCL is already running on this system"); CloseHandle (qwclsemaphore); qwclsemaphore = CreateSemaphore( NULL, /* Security attributes */ 0, /* Initial count */ 1, /* Maximum count */ "qwcl"); /* Semaphore name */ #ifdef USE_INTEL_ASM MaskExceptions (); Sys_SetFPCW (); #endif // make sure the timer is high precision, otherwise // NT gets 18ms resolution timeBeginPeriod( 1 ); vinfo.dwOSVersionInfoSize = sizeof(vinfo); if (!GetVersionEx (&vinfo)) Sys_Error ("Couldn't get OS info"); if ((vinfo.dwMajorVersion < 4) || (vinfo.dwPlatformId == VER_PLATFORM_WIN32s)) { Sys_Error ("This version of " PROGRAM " requires a full Win32 implementation."); } if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT) WinNT = true; else WinNT = false; } void Sys_Error (char *error, ...) { va_list argptr; char text[1024];//, text2[1024]; // DWORD dummy; Host_Shutdown (); va_start (argptr, error); vsnprintf (text, sizeof(text), error, argptr); va_end (argptr); MessageBox(NULL, text, "Error", 0 /* MB_OK */ ); CloseHandle (qwclsemaphore); exit (1); } void Sys_Quit (void) { VID_ForceUnlockedAndReturnState (); Host_Shutdown(); if (tevent) CloseHandle (tevent); if (qwclsemaphore) CloseHandle (qwclsemaphore); exit (0); } char *Sys_ConsoleInput (void) { static char text[256]; static int len; INPUT_RECORD recs[1024]; // int count; int i; int ch; DWORD numread, numevents, dummy; HANDLE th; char *clipText, *textCopied; for ( ;; ) { if (!GetNumberOfConsoleInputEvents (hinput, &numevents)) Sys_Error ("Error getting # of console events"); if (numevents <= 0) break; if (!ReadConsoleInput(hinput, recs, 1, &numread)) Sys_Error ("Error reading console input"); if (numread != 1) Sys_Error ("Couldn't read console input"); if (recs[0].EventType == KEY_EVENT) { if (!recs[0].Event.KeyEvent.bKeyDown) { ch = recs[0].Event.KeyEvent.uChar.AsciiChar; switch (ch) { case '\r': WriteFile(houtput, "\r\n", 2, &dummy, NULL); if (len) { text[len] = 0; len = 0; return text; } break; case '\b': WriteFile(houtput, "\b \b", 3, &dummy, NULL); if (len) { len--; putch('\b'); } break; default: Con_Printf("Stupid: %d\n", recs[0].Event.KeyEvent.dwControlKeyState); if (((ch=='V' || ch=='v') && (recs[0].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) || ((recs[0].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) && (recs[0].Event.KeyEvent.wVirtualKeyCode ==VK_INSERT))) { if (OpenClipboard(NULL)) { th = GetClipboardData(CF_TEXT); if (th) { clipText = GlobalLock(th); if (clipText) { textCopied = malloc(GlobalSize(th)+1); strcpy(textCopied, clipText); /* Substitutes a NULL for every token */strtok(textCopied, "\n\r\b"); i = strlen(textCopied); if (i+len>=256) i=256-len; if (i>0) { textCopied[i]=0; text[len]=0; strcat(text, textCopied); len+=dummy; WriteFile(houtput, textCopied, i, &dummy, NULL); } free(textCopied); } GlobalUnlock(th); } CloseClipboard(); } } else if (ch >= ' ') { WriteFile(houtput, &ch, 1, &dummy, NULL); text[len] = ch; len = (len + 1) & 0xff; } break; } } } } return NULL; } void Sys_Sleep (void) { } void IN_SendKeyEvents (void) { MSG msg; while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) { // we always update if there are any event, even if we're paused scr_skipupdate = 0; if (!GetMessage (&msg, NULL, 0, 0)) Sys_Quit (); TranslateMessage (&msg); DispatchMessage (&msg); } } /* ============================================================================== WINDOWS CRAP ============================================================================== */ /* ================== WinMain ================== */ void SleepUntilInput (int time) { MsgWaitForMultipleObjects(1, &tevent, FALSE, time, QS_ALLINPUT); } /* ================== WinMain ================== */ HINSTANCE global_hInstance; int global_nCmdShow; char *argv[MAX_NUM_ARGVS]; static char *empty_string = ""; HWND hwnd_dialog; int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // MSG msg; double time, oldtime, newtime; MEMORYSTATUS lpBuffer; static char cwd[1024]; int t; RECT rect; /* previous instances do not exist in Win32 */ if (hPrevInstance) return 0; global_hInstance = hInstance; global_nCmdShow = nCmdShow; lpBuffer.dwLength = sizeof(MEMORYSTATUS); GlobalMemoryStatus (&lpBuffer); if (!GetCurrentDirectory (sizeof(cwd), cwd)) Sys_Error ("Couldn't determine current directory"); if (cwd[strlen(cwd)-1] == '/') cwd[strlen(cwd)-1] = 0; host_parms.argc = 1; argv[0] = empty_string; while (*lpCmdLine && (host_parms.argc < MAX_NUM_ARGVS)) { while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126))) lpCmdLine++; if (*lpCmdLine) { argv[host_parms.argc] = lpCmdLine; host_parms.argc++; while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126))) lpCmdLine++; if (*lpCmdLine) { *lpCmdLine = 0; lpCmdLine++; } } } host_parms.argv = argv; COM_InitArgv (host_parms.argc, host_parms.argv); host_parms.argc = com_argc; host_parms.argv = com_argv; hwnd_dialog = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, NULL); if (hwnd_dialog) { if (GetWindowRect (hwnd_dialog, &rect)) { if (rect.left > (rect.top * 2)) { SetWindowPos (hwnd_dialog, 0, (rect.left / 2) - ((rect.right - rect.left) / 2), rect.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE); } } ShowWindow (hwnd_dialog, SW_SHOWDEFAULT); UpdateWindow (hwnd_dialog); SetForegroundWindow (hwnd_dialog); } // take the greater of all the available memory or half the total memory, // but at least 8 Mb and no more than 16 Mb, unless they explicitly // request otherwise host_parms.memsize = lpBuffer.dwAvailPhys; if (host_parms.memsize < MINIMUM_WIN_MEMORY) host_parms.memsize = MINIMUM_WIN_MEMORY; if (host_parms.memsize < (lpBuffer.dwTotalPhys >> 1)) host_parms.memsize = lpBuffer.dwTotalPhys >> 1; if (host_parms.memsize > MAXIMUM_WIN_MEMORY) host_parms.memsize = MAXIMUM_WIN_MEMORY; if (COM_CheckParm ("-heapsize")) { t = COM_CheckParm("-heapsize") + 1; if (t < com_argc) host_parms.memsize = atoi (com_argv[t]) * 1024; } host_parms.membase = malloc (host_parms.memsize); if (!host_parms.membase) Sys_Error ("Not enough memory free; check disk space\n"); tevent = CreateEvent(NULL, FALSE, FALSE, NULL); if (!tevent) Sys_Error ("Couldn't create event"); // because sound is off until we become active S_BlockSound (); Sys_Printf ("Host_Init\n"); Host_Init (); oldtime = Sys_DoubleTime (); /* main window message loop */ while (1) { // yield the CPU for a little while when paused, minimized, or not the focus if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized || block_drawing) { SleepUntilInput (PAUSE_SLEEP); scr_skipupdate = 1; // no point in bothering to draw } else if (!ActiveApp && !DDActive) { SleepUntilInput (NOT_FOCUS_SLEEP); } newtime = Sys_DoubleTime (); time = newtime - oldtime; Host_Frame (time); oldtime = newtime; } /* return success of application */ return TRUE; }